<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <div id="images-download-script" draggable="true">
    <input id="filename-prefix" placeholder="自定义文件名前缀">
    <button id="do-images-downLoad">
      下载所有图片
    </button>
  </div>
  <style>
    #images-download-script{
      width: 200px;
      height: 100px;
      border-radius: 10px;
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      align-content: space-around;
      position: fixed;
      right: 5px;
      top: 100px;
      z-index: 500;
      background-color: rgb(198, 194, 194);
    }
    #images-download-script > input{
      border: 1px gray;
      font-size: 13px;
      color: black;
    }
    #images-download-script > button{
      font-size: 13px;
      color: red;
    }
  </style>
</body>
</html>